Pith Number

pith:YHK353OH

pith:2023:YHK353OHB45SBSMWN5IGAEJH4K

not attested not anchored not stored refs pending

COUPA: An Industrial Recommender System for Online to Offline Service Platforms

BinBin Hu, Fengze Li, Jun Zhou, Sicong Xie, Wenliang Zhong, Zhiqiang Zhang, Ziqi Liu

arxiv:2304.12549 v1 · 2023-04-25 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHK353OHB45SBSMWN5IGAEJH4K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T06:04:18.243631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1d5beedc70f3b20c9966f50601127e287196cb4a954ba9034c0c279ec9883ec

Aliases

arxiv: 2304.12549 · arxiv_version: 2304.12549v1 · doi: 10.48550/arxiv.2304.12549 · pith_short_12: YHK353OHB45S · pith_short_16: YHK353OHB45SBSMW · pith_short_8: YHK353OH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YHK353OHB45SBSMWN5IGAEJH4K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c1d5beedc70f3b20c9966f50601127e287196cb4a954ba9034c0c279ec9883ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d841c3ad61d7897491fe97c7025a5c3b72d7923c7449adb3e8904df4f6639e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-04-25T03:32:42Z",
    "title_canon_sha256": "77d0cf8811b3bc5ad7c67017ec90062edfb34d0c82a0001864da63a9dc4879b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.12549",
    "kind": "arxiv",
    "version": 1
  }
}